How do you think altering factors like wavelength and frequency affect they way we see and hear?

These items are made from synthetic materials. Identify the property (or properties) associated with each material. brittle (shatters into many pieces) conducts heatinsulates from heat

Which of the following materials is an insulator against current? A. Copper wire. B. A rubber tire. C. A silver necklace. D. A light bulb filament.

Suppose I have two magnets. Magnet A dosen't have its poles labeled, but magnet B does have a clearly labeled north and South Pole. If these two are brought into contact with one another which of the following could you expect

A rock and a feather are dropped from the rooftop of a building. which has more kinetic energy

Gold, quartz, and talc are minerals. Copper and iron are types of ore. What is the difference between minerals and ores? A mineral is a non-living, solid substance that can be extracted from the ground. Ore is a type of mineral made up of metals.

A golf ball is hit with an initial velocity of 155 ft/s at an angle of 23 degrees with the horizontal. After 1.4 seconds, how far has the golf ball traveled horizontally and vertically?. a. 199.7 feet horizontally and 75.2 feet vertically. b. 60.

What is the kinetic energy (in joules) of a. 2 kg softball thrown at a speed of 40 m/sec? (answer should be in correct units)

How is the information sent back to earth by the robots?

During which change of state do atoms lose energy? sublimation freezing boiling melting

Why does the rotation of earth require people to establish times zones?